PLEASE HELP ME ANSWER THESE 2 QUESTIONS PLEASE PLEASE PLEASE ASAP

which  best  describes the transformation from the graph of  f(x) =  x2  to the graph of  f(x) = (x  – 3)2  – 1?   left 3 units, down 1 unitleft 3 units, up 1 unitright 3 units, down 1 unit  right 3 units, up 1 unit

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.